Knob cover



FIG. 1 is a top, rear and left side perspective view of the knob cover embodying the new design, the broken lines being for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a bottom, rear and left side perspective view thereof, the broken lines being for illustrative purposes only and forming no part of the claimed design;

FIG. 7 is a top, rear and left side perspective view of the knob cover showing a second embodiment of my new design, the broken lines below the knob cover being for illustrative purposes only and forming no part of the embodiment and the broken lines above and below the recessed grooves representing the bounds of the embodiment and forming no part thereof;

FIG. 8 is a front elevational view thereof, the broken lines below the knob cover being for illustrative purposes only and forming no part of the embodiment and the broken lines above and below the recessed grooves representing the bounds of the embodiment and forming no part thereof;

FIG. 9 is a left side view thereof, the broken lines below the knob cover being for illustrative purposes only and forming no part of the embodiment and the broken lines above and below the recessed grooves representing the bounds of the embodiment and forming no part thereof;

FIG. 10 is a top plan view thereof;

FIG. 11 is a bottom view thereof, the broken lines in the center of the knob cover being for illustrative purposes only and forming no part of the embodiment and the broken lines immediately within the outer perimeter representing the bounds of the embodiment and forming no part thereof; and,

FIG. 12 is a bottom, front and left side perspective view thereof, the broken lines below the knob cover being for illustrative purposes only and forming no part of the embodiment and the broken lines above and below the recessed grooves representing the bounds of the embodiment and forming no part thereof. 

The ornamental design for a knob cover, as shown and described. 